/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include "nsISupports.idl"
#include "nsIMsgAccount.idl"
#include "nsIMsgIdentity.idl"
#include "nsIMsgIncomingServer.idl"
#include "nsISupportsArray.idl"

interface nsIMsgFolderCache;

[scriptable, uuid(6ed2cc00-e623-11d2-b7fc-00805f05ffa5)]
interface nsIMsgAccountManager : nsISupports {

  nsIMsgAccount createAccount();
  nsIMsgAccount getAccount(in string key);
    
  void RemoveAccount(in nsIMsgAccount account);

  /*
   * creates a new identity and assigns it a new, unique "key"
   */
  nsIMsgIdentity createIdentity();

  /*
   * creates a new server and assigns it a new, unique "key"
   * the given type will be used to construct a ProgID
   */
  nsIMsgIncomingServer createIncomingServer(in string type);
  
  /*
   * get the identity with the given key
   * if the identity does not exist, it will be created
   */
  nsIMsgIdentity getIdentity(in string key);

  /*
   * Gets the existing incoming server with the given key
   * if the server's type does not exist in the preference,
   * an error is returned/thrown
   */
  nsIMsgIncomingServer getIncomingServer(in string key);

  
  /* account list stuff */

  /* defaultAccount should always be set if there are any accounts
   * in the account manager. You can only set the defaultAccount to an
   * account already in the account manager */
  attribute nsIMsgAccount defaultAccount;

  /**
   * ordered list of all accounts, by the order they are in the prefs
   * array of nsIMsgAccount
   */
  readonly attribute nsISupportsArray accounts;

  /* list of all identities in all accounts
   * array of nsIMsgIdentity
   */
  readonly attribute nsISupportsArray allIdentities;

  /* list of all servers in all accounts
   * array of nsIMsgIncomingServer
   */
  readonly attribute nsISupportsArray allServers;

  /*
   * search for the server with the given username, hostname, and type
   * the type is the same as is specified in the preferences,
   * i.e. "imap", "pop3", or "nntp"
   */
  nsIMsgIncomingServer
      FindServer(in string userName, in string hostname, in string type);

  /**
   * find the index of this server in the (ordered) list of accounts
   */
  long FindServerIndex(in nsIMsgIncomingServer server);

  nsIMsgAccount
      FindAccountForServer(in nsIMsgIncomingServer server);

  /* given a server, return all identities in accounts that have this server
   * returns an array of nsIMsgIdentity
   */
  nsISupportsArray GetIdentitiesForServer(in nsIMsgIncomingServer server);

  /* given an identity, return all servers in accounts that have
   * this identity
   * returns an array of nsIMsgIncomingServer
   */
  nsISupportsArray GetServersForIdentity(in nsIMsgIdentity identity);

  /* load accounts kicks off the creation of all accounts. You do not need
   * to call this and all accounts should be loaded lazily if you use any
   * of the above.
   */
  void LoadAccounts();

  /* unload accounts frees all the account manager data structures */
  void UnloadAccounts();

  void WriteToFolderCache(in nsIMsgFolderCache folderCache);

  /* search for 4.x mailnews prefs, and migrate to 5.0 prefs */
  void UpgradePrefs();
};